What does the 20SDR smoke alarm detect?

The 20SDR detects smoke. It is designed for residential fire safety use in the home.

How is the 20SDR powered?

The 20SDR uses 2 AA replaceable batteries. Battery power helps support alarm operation during short outages.

How do I clean the 20SDR to help reduce nuisance alarms?

Clean the 20SDR at least once a year. Use compressed air or a vacuum hose around openings and a dry cloth outside. Avoid water, cleaners, aerosols and paint.

Can I silence a nuisance alarm on the 20SDR?

Yes. Use HUSH only when you know there is no emergency and want to temporarily silence a nuisance smoke alarm.

When should I replace the 20SDR?

Replace the 20SDR after 10 years or when end-of-life alerts begin. Follow the user guide for replacement guidance.

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Kidde Smoke Detector, AA Battery Powered Smoke Alarm, LED Warning Light Indicators

Product ID: 621672304

Details

Brand
Kidde
Colour
White
Power source
Battery
Product dimensions
4.8D x 12.7W x
Style
9th Edition

💡3 LED status indicators

🔊85dB loud alarm

🔋2 AA batteries included

HK$496

Duties & taxes included

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Description

🔥 Stay ahead of danger with silent confidence 🔋

SMART STATUS ALERTS - Triple LED indicators provide instant visual updates on alarm status—green, amber, or red.
RELIABLE POWER BACKUP - Runs on 2 AA batteries (included) ensuring continuous protection even during outages.
BUILT TO LAST A DECADE - 10-year lifespan with end-of-life beep reminders means you’re always covered without the hassle.
EFFORTLESS INSTALLATION - No wiring needed—twist & click mounting bracket makes setup a breeze for busy professionals.
PRECISION SMOKE DETECTION - Advanced photoelectric sensor cuts false alarms, keeping your home safe without the noise.

The Kidde 20SDR Smoke Detector combines cutting-edge photoelectric sensing technology with a loud 85-decibel alarm and intuitive 3-color LED indicators. Battery-powered with 2 included AA batteries, it offers easy, wire-free installation and self-testing features to ensure reliable operation. Designed to meet the latest UL 217 9th Edition and FCC standards, this sleek 5-inch alarm provides up to 10 years of dependable fire safety with smart end-of-life notifications.

Specifications

ASIN	B0CX6RMV4B
ASIN	B0CX6RMV4B
Alarm	Smoke Detector
Batteries	2 AA batteries required. (included)
Best Sellers Rank	#189,770 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #203 in Smoke Alarms
Brand	Kidde
Built-In Media	2 AA Batteries, Alarm, Mounting Hardware, User Guide
Color	White
Customer Reviews	4.4 4.4 out of 5 stars (670)
Customer reviews	4.4 4.4 out of 5 stars (670)
Date First Available	29 March 2024
Enclosure Material	Plastic
Global Trade Identification Number	00047871328161
Item Dimensions D x W x H	4.8D x 12.7W x 12.7H centimeters
Item Type Name	Smoke Alarm
Item Weight	0.84 Pounds
Item model number	20SDR
Manufacturer	Kidde
Manufacturer	Kidde
Mfr Part Number	21032816
Model Number	20SDR
Number of Items	1
Operating Humidity	Up to 95% relative humidity (RH), non-condensing
Power Source	Battery Powered
Product Dimensions	4.78 x 12.7 x 12.7 cm; 381.02 g
Product Style	9th Edition Alarm
Sensor Type	Photoelectric
UPC	047871328161
Unit Count	1 Count
Upper Temperature Rating	100 Degrees Fahrenheit

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HK$496

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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